Package org.gnupg

Class GnuPGDummyKeyUtil

java.lang.Object

org.gnupg.GnuPGDummyKeyUtil

public final class GnuPGDummyKeyUtil
extends java.lang.Object

This class can be used to remove private keys from secret software-keys by replacing them with stub secret keys in the style of GnuPGs proprietary extensions.

See Also:

GnuPGs doc/DETAILS - GNU extensions to the S2K algorithm

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	GnuPGDummyKeyUtil.Builder
static interface	GnuPGDummyKeyUtil.KeyFilter	Filter for selecting keys.

Method Summary

Modifier and Type	Method	Description
static java.util.Set<SubkeyIdentifier>	getIdsOfKeysWithGnuPGS2KDivertedToCard(org.bouncycastle.openpgp.PGPSecretKeyRing secretKeys)	Return the key-ids of all keys which appear to be stored on a hardware token / smartcard by GnuPG.
static GnuPGDummyKeyUtil.Builder	modify(org.bouncycastle.openpgp.PGPSecretKeyRing secretKeys)	Modify the given PGPSecretKeyRing.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getIdsOfKeysWithGnuPGS2KDivertedToCard

public static java.util.Set<SubkeyIdentifier> getIdsOfKeysWithGnuPGS2KDivertedToCard(org.bouncycastle.openpgp.PGPSecretKeyRing secretKeys)

Return the key-ids of all keys which appear to be stored on a hardware token / smartcard by GnuPG. Note, that this functionality is based on GnuPGs proprietary S2K extensions, which are not strictly required for dealing with hardware-backed keys.

Parameters:

secretKeys - secret keys

Returns:

set of keys with S2K type GNU_DUMMY_S2K and protection mode DIVERT_TO_CARD

modify

public static GnuPGDummyKeyUtil.Builder modify(org.bouncycastle.openpgp.PGPSecretKeyRing secretKeys)

Modify the given PGPSecretKeyRing.

Parameters:

secretKeys - secret keys

Returns:

builder